

The response to the Income Tax Notice must be answered within 15 days of the information submitted by the inspecting officer. To expand, a written request can be made to the local assessing officer.
Notice under section 139 (9) is sent to the inspecting officer if the ITR filed with the taxpayer is defective or incorrect the office will provide a proper description of the defect and a remedial solution.
If the AO believes that the taxpayer is withholding revenue, he/she will receive notice under section 131 (1A). This notice is proof that the AO is initiating an investigation or investigating the matter.
Section 245 is an intimation and this notice refers to the full or partial refund of a taxpayer.
If there is a notice issued by the ITD, it will be sent to your registered postal address. You can look at the notices you received on the income portal but remember that not all notices are portable, in all notification notices, you can visit the ITD and ask your question there.
Yes, the Income Tax Department can also issue notices about your current account activities, if you have a reason to do so.
If you do not respond to the notice within 30 days the tax department will make changes if there is a certain pending requirement without giving you another opportunity to respond.
ITR-V is received from your registered mail ID shortly after submitting the ITR. If not and it can be downloaded to your account on the official income tax website.
Yes, you may receive more than one income tax notice in the same assessment year. For example, you received an Income-tax 143 (1) intimation and filled it out. However, if this is rejected, you will receive a second notice of Income-tax under section 154 for further clarification to the Income-Tax department.
There is no timeline defined by the Income Tax Department to resolve any Income Tax Notice issued. It will depend entirely on various factors such as the tax department's processing time, response time by the inspector, etc.